US4808236A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Unitary dishwashing product comprising detergent block in container and use thereof
Assignee: Diversey Corp Canada
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Filing: 1987-10-30
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Granted: 1989-02-28
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Expires: 2007-10-30
Abstract
Abstract A product comprising a container having a closed top, side wall and open mouth bottom; a removable lid closing the container open mouth bottom; an opening in the container top; a tab removably closing the opening in the container top; and a solid detergent composition in the container having a shape conforming to the internal volume defined by the container top and a substantial height of the side wall extending downwardly from the top. A method of washing dishes and utensils in a dishwashing machine comprising placing soiled dishes and utensils in a dishwashing machine having a washing chamber; removing the container lid and the tab closing the opening in the container top; placing the product in a dishwashing machine with the container top upright and the container and solid detergent block bottoms supported on a foraminous surface with clearance space between the block and container wall; closing the dishwashing machine and supplying washing water to the machine washing chamber as a spray so that water enters the opening in the container top and flows downwardly in the container along the side of the block thereby dissolving some of the detergent and forming a detergent solution which flows out of the container and mixes with water to form a washing solution; and recycling the washing solution into washing contact with the dishes and utensils to clean them.
Inventors
- 👤 Clyde V. Davis, Jr.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 23:08
CPC Classifications
A; A47; A47L; A47L15/00; A47L15/42; A47L15/44; A47L15/4445
Claims Analysis
Total Claims: 19
Claim 1
Independent Claim
73 words
A product comprising: a container having a closed top, side wall and open mouth bottom; a removable lid closing the container open mouth bottom; an opening in the container top; means removably closing the opening in the container top; and a solid detergent composition in the container having a shape conforming to the internal volume defined by the container top and a substantial height of the side wall extending downwardly from the top.
Claim 2
Dependent Claim
73 words
A product comprising: a container having a closed top, side wall and open mouth bottom; a removable lid closing the container open mouth bottom; an opening in the container top; means removably closing the opening in the container top; and a solid detergent composition in the container having a shape conforming to the internal volume defined by the container top and a substantial height of the side wall extending downwardly from the top.
Claim 3
Dependent Claim
30 words
A product according to claim 1 in which the solid detergent composition is a monolithic solid formed by casting a liquid detergent composition into the container and solidifying it therein.
Claim 4
Dependent Claim
20 words
A product according to claim 2 in which the solid has a bottom surface above the container open mouth bottom.
Claim 5
Dependent Claim
23 words
A product according to claim 2 in which the container is a substantially truncated conical shell wider at the bottom than the top.
Claim 6
Dependent Claim
20 words
A product according to claim 4 in which the container has a thin flexible top, side wall and bottom lid.
Claim 7
Dependent Claim
21 words
A product according to claim 5 in which the bottom, side wall and lid are made of a water resistant material.
Claim 8
Dependent Claim
32 words
A product according to claim 1 in which the means removably closing the opening in the container top is a tab covering the hole and adhered to the container top outer surface.
Claim 9
Dependent Claim
31 words
A product according to claim 2 in which the solid detergent adheres to the container internal surface but is releasable therefrom by tapping the container bottom against an object beneath it.
Claim 10
Independent Claim
231 words
A method of washing dishes and utensils in a dishwashing machine comprising: placing soiled dishes and utensils in a dishwashing machine having a washing chamber; manually grasping a product comprising a container having a closed top, side wall and open mouth bottom; a removable lid closing the container open mouth bottom; an opening in the container top; means removably closing the opening in the container top; and a solid block detergent composition in the container having a shape conforming to the internal volume defined by the container top and a substantial height of the side wall extending downwardly from the top; removing the lid and the means removably closing the opening in the container top; placing the manually grasped product in a dishwashing machine with the container top upright and the container and solid detergent block bottoms supported on a foraminous surface with clearance space between the block and container wall; closing the dishwashing machine and supplying washing water to the machine washing chamber as a spray so that water enters the opening in the container top and flows downwardly in the container along the side of the block thereby dissolving some of the detergent and forming a detergent solution which flows out of the container and mixes with water to form a washing solution; and recycling the washing solution into washing contact with the dishes and utensils to clean them.
Claim 11
Independent Claim
231 words
A method of washing dishes and utensils in a dishwashing machine comprising: placing soiled dishes and utensils in a dishwashing machine having a washing chamber; manually grasping a product comprising a container having a closed top, side wall and open mouth bottom; a removable lid closing the container open mouth bottom; an opening in the container top; means removably closing the opening in the container top; and a solid block detergent composition in the container having a shape conforming to the internal volume defined by the container top and a substantial height of the side wall extending downwardly from the top; removing the lid and the means removably closing the opening in the container top; placing the manually grasped product in a dishwashing machine with the container top upright and the container and solid detergent block bottoms supported on a foraminous surface with clearance space between the block and container wall; closing the dishwashing machine and supplying washing water to the machine washing chamber as a spray so that water enters the opening in the container top and flows downwardly in the container along the side of the block thereby dissolving some of the detergent and forming a detergent solution which flows out of the container and mixes with water to form a washing solution; and recycling the washing solution into washing contact with the dishes and utensils to clean them.
Claim 12
Dependent Claim
30 words
A method according to claim 9 in which the solid detergent composition is a monolithic solid formed by casting a liquid detergent composition into the container and solidifying it therein.
Claim 13
Dependent Claim
20 words
A method according to claim 9 in which the solid has a bottom surface above the container open mouth bottom.
Claim 14
Dependent Claim
23 words
A method according to claim 9 in which the container is a substantially truncated conical shell wider at the bottom than the top.
Claim 15
Dependent Claim
19 words
A method according to claim 12 in which the container has a thin top, side wall and bottom lid.
Claim 16
Dependent Claim
21 words
A method according to claim 13 in which the bottom, side wall and lid are made of a water resistant material.
Claim 17
Dependent Claim
32 words
A method according to claim 9 in which the means removably closing the opening in the container top is a tab covering the hole and adhered to the container top outer surface.
Claim 18
Dependent Claim
31 words
A method according to claim 10 in which the solid detergent adheres to the container internal surface but is releasable therefrom by tapping the container bottom against an object beneath it.
Claim 19
Dependent Claim
20 words
A method according to claim 9 in which the solid detergent composition is a compressed powdered or granular detergent composition.
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1992-02-28 | 1992-08-29 | 1993-02-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1996-02-28 | 1996-08-29 | 1997-02-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2000-02-28 | 2000-08-29 | 2001-02-28 | $7700.00 | Window Closed / Lapsed |